// window code from here: http://www.howtocreate.co.uk/tutorials/javascript/browserwindow
function windowSize() {
var myWidth = 0, myHeight = 0;
if( typeof( window.innerWidth ) == 'number' ) {
//Non-IE
myWidth = window.innerWidth;
myHeight = window.innerHeight;
} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
//IE 6+ in 'standards compliant mode'
myWidth = document.documentElement.clientWidth;
myHeight = document.documentElement.clientHeight;
} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
//IE 4 compatible
myWidth = document.body.clientWidth;
myHeight = document.body.clientHeight;
}
var returnVal = new Array();
returnVal[0] = myWidth;
returnVal[1] = myHeight;
return returnVal;
}

currentOpacity = 1;
function fadeOut()
{
	if (currentOpacity > .2)
	{
		currentOpacity -= .1;
	}
	else
	{
		var element = document.getElementById('intro');
		element.style.visibility = 'hidden';
		return;
	}
	element = document.getElementById('intro');
	if (window.ActiveXObject) element.style.filter = "alpha(opacity=" + currentOpacity*100 + ")";
	element.style.opacity = currentOpacity;
	window.setTimeout('fadeOut()',50);
}
function showDiv()
{
	var element = document.getElementById('intro');
	var winSize = windowSize();
	if (winSize[0] > 850)
	{
		var leftVal = (winSize[0] - 850)/2;
		element.style.left = leftVal.toString() + 'px';
	}
	element.style.visibility = 'visible';
}
function initFade()
{
	window.setTimeout('fadeOut()',4000);
}